. trace{
    position: absolute;
    top:100px;
    width: 1200px;
    z-index: 1;
    display: flex;
    justify-content: center;
}
.trace_content{
    position: absolute;
    margin-top:60px;
    font-family: '方正和悦体 简';
    font-size: 32px;
    color:rgb(92, 165, 230);
    height:200px;
    width: 900px;
}